The first question x+y=55
The second question (1/3)x+(1/5)y=13
The third question 25
Answer:
Melissa went to shopping and spent 2/3 of her money on a blouse, then she has 1/3 of her money left. She came home with $12.
=> The amount of money she started with: 12 x 3 =36$
Hope this helps!
:)
Step-by-step explanation:
![\frac{20x}{20} = \frac{40}{20} \\ x = 2](https://tex.z-dn.net/?f=%20%5Cfrac%7B20x%7D%7B20%7D%20%20%3D%20%20%5Cfrac%7B40%7D%7B20%7D%20%5C%5C%20x%20%3D%202%20)
v= (4/3)* pi *(d/2)^3 = (4/3) * pi * (3/2)^3 = about 14.14 cu ft Hope this helps you
Total savings = $0.75 x 30
= $22.50
= $23 (nearest dollar)